I've looked at them and found generally good reviews online about them, but went a different route. My concern would be that they don't specify the ratio of bridgelux to cree LEDs used as bridgelux generally are not as efficient as cree. To a lesser extent, i'm concerned that they have reds on the main channel with no cyan/indigo. Red + blue is a purple light but when cyan/indigo is added we perceive it as a white light. However, you won't know if that'll be an issue until you see the light powered on...